# char
c = "a"
while "a" <= c <= "z":
    i = ord(c)
    print(i, chr(i), end=" ", sep="->")
    c = chr(i + 1)
print()

# string
s = "hello"
es1 = bytes(s, encoding="utf-8")
es2 = s.encode()
print(f"{es1 == es2 = }, {es2.decode() = }")
